/* roulang page: index */
:root{
  --bg-900:#080D1A; --bg-800:#0C1424; --bg-700:#12203A;
  --line:rgba(140,180,220,.14); --line-strong:rgba(150,195,230,.26);
  --ink-100:#EAF1F8; --ink-300:#A9B8CC; --ink-500:#6E7F97;
  --brand:#17B3A8; --brand-2:#0E8E8A; --brand-ink:#06201F; --accent:#F2A33C;
  --shadow-1:0 1px 0 rgba(255,255,255,.04), 0 10px 30px -12px rgba(0,0,0,.6);
  --shadow-2:0 18px 44px -16px rgba(0,0,0,.75);
  --glow-brand:0 0 0 1px rgba(23,179,168,.35), 0 8px 28px -8px rgba(23,179,168,.55);
  --glow-accent:0 0 0 1px rgba(242,163,60,.35), 0 8px 28px -8px rgba(242,163,60,.5);
  --radius-btn:10px; --radius-card:16px; --radius-img:12px;
  --t:180ms cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-900);
  color:var(--ink-100);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px; line-height:1.85; letter-spacing:.01em;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-radius:var(--radius-img);object-fit:cover;}
a{color:inherit;text-decoration:none;transition:color var(--t),background var(--t),border-color var(--t);}
button,input{font:inherit;color:inherit;}
h1,h2,h3,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
::selection{background:rgba(23,179,168,.35);}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media (min-width:1024px){.container{padding:0 32px;}}
.section{padding:64px 0;}
@media (min-width:1024px){.section{padding:100px 0;}}
.section-head{max-width:720px;margin-bottom:32px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--brand);letter-spacing:.08em;margin-bottom:14px;}
.eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(242,163,60,.16);}
h1{font-size:32px;line-height:1.18;font-weight:700;letter-spacing:-.01em;}
h2{font-size:24px;line-height:1.3;font-weight:700;letter-spacing:-.01em;}
h3{font-size:18px;line-height:1.45;font-weight:600;}
p{color:var(--ink-300);}
.lead{color:var(--ink-300);font-size:16px;}
@media (min-width:1024px){h1{font-size:40px;} h2{font-size:28px;} h3{font-size:20px;}}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 18px;border-radius:var(--radius-btn);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:transform var(--t),box-shadow var(--t),background var(--t),border-color var(--t),filter var(--t);white-space:nowrap;}
.btn-lg{min-height:50px;padding:0 24px;font-size:16px;}
.btn-sm{min-height:40px;padding:0 14px;font-size:14px;}
.btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:var(--brand-ink);box-shadow:var(--glow-brand);}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 0 0 1px rgba(23,179,168,.5),0 14px 34px -10px rgba(23,179,168,.65);}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 2px 8px rgba(0,0,0,.35);}
.btn-ghost{background:transparent;border-color:var(--line-strong);color:var(--ink-100);}
.btn-ghost:hover{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.35);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);background:rgba(255,255,255,.1);}
.btn[disabled],.btn.is-disabled{opacity:.45;box-shadow:none;cursor:not-allowed;transform:none;}
.arrow-link{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:600;font-size:14px;padding-bottom:2px;background-image:linear-gradient(90deg,transparent,rgba(23,179,168,.6),transparent);background-size:100% 1px;background-repeat:no-repeat;background-position:0 100%;}
.arrow-link span{transition:transform var(--t);}
.arrow-link:hover span{transform:translateX(4px);}

/* 顶部导航 */
.site-header{position:sticky;top:0;z-index:80;background:linear-gradient(180deg,rgba(8,13,26,.94),rgba(8,13,26,.72));border-bottom:1px solid var(--line);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);transition:box-shadow var(--t),background var(--t);}
.site-header.is-scrolled{background:linear-gradient(180deg,rgba(6,10,20,.99),rgba(8,13,26,.9));box-shadow:0 14px 36px -22px rgba(0,0,0,.95);}
.header-inner{display:flex;align-items:center;gap:18px;min-height:72px;transition:min-height var(--t);}
.site-header.is-scrolled .header-inner{min-height:64px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{width:30px;height:30px;flex:0 0 auto;}
.brand-text{font-size:17px;font-weight:700;letter-spacing:.01em;color:var(--ink-100);}
.main-nav{display:none;align-items:center;gap:4px;margin-left:8px;}
.main-nav .nav-link{padding:8px 12px;border-radius:8px;font-size:15px;color:var(--ink-300);position:relative;}
.main-nav .nav-link:hover{color:var(--ink-100);background:rgba(255,255,255,.04);}
.main-nav .nav-link.is-active{color:var(--ink-100);font-weight:600;}
.main-nav .nav-link.is-active::after{content:"";position:absolute;left:12px;right:12px;bottom:0;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--brand),var(--accent));}
.header-tools{display:flex;align-items:center;gap:12px;margin-left:auto;}
.search-box{display:none;align-items:center;gap:8px;width:228px;height:40px;padding:0 12px;border-radius:var(--radius-btn);background:rgba(255,255,255,.04);border:1px solid var(--line);transition:border-color var(--t),box-shadow var(--t),background var(--t);}
.search-box:focus-within{border-color:rgba(23,179,168,.65);box-shadow:0 0 0 2px rgba(23,179,168,.2);background:rgba(255,255,255,.06);}
.search-box svg{flex:0 0 auto;opacity:.7;}
.search-box input{flex:1;min-width:0;background:transparent;border:0;outline:none;font-size:14px;color:var(--ink-100);}
.search-box input::placeholder{color:var(--ink-500);}
.text-link{display:none;font-size:14px;color:var(--ink-300);}
.text-link:hover{color:var(--ink-100);}
.nav-toggle{display:inline-flex;flex-direction:column;justify-content:center;gap:4px;width:44px;height:44px;padding:0 11px;border-radius:var(--radius-btn);background:rgba(255,255,255,.04);border:1px solid var(--line);cursor:pointer;}
.nav-toggle span{display:block;height:2px;border-radius:2px;background:var(--ink-100);transition:transform var(--t),opacity var(--t);}
body.nav-open .nav-toggle span:nth-child(1){transform:translateY(6px) rotate(45deg);}
body.nav-open .nav-toggle span:nth-child(2){opacity:0;}
body.nav-open .nav-toggle span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
@media (min-width:640px){.search-box{display:flex;} .text-link{display:inline-flex;}}
@media (min-width:1024px){.main-nav{display:flex;} .nav-toggle{display:none;}}

/* 移动抽屉 */
.drawer{position:fixed;inset:0 0 0 auto;width:min(320px,86vw);background:linear-gradient(180deg,#0B1220,#080D1A);border-left:1px solid var(--line);z-index:90;transform:translateX(102%);transition:transform 240ms cubic-bezier(.2,.7,.3,1);padding:24px 22px;overflow-y:auto;}
body.nav-open .drawer{transform:translateX(0);}
.drawer-backdrop{position:fixed;inset:0;background:rgba(4,7,14,.66);backdrop-filter:blur(2px);z-index:85;opacity:0;pointer-events:none;transition:opacity 240ms ease;}
body.nav-open .drawer-backdrop{opacity:1;pointer-events:auto;}
.drawer-title{font-size:13px;color:var(--ink-500);letter-spacing:.12em;margin-bottom:14px;}
.drawer a.drawer-link{display:flex;align-items:center;justify-content:space-between;padding:14px 4px;font-size:16px;color:var(--ink-100);border-bottom:1px solid transparent;border-image:linear-gradient(90deg,transparent,rgba(140,180,220,.22),transparent) 1;}
.drawer a.drawer-link:hover{color:var(--brand);}
.drawer .btn{width:100%;margin-top:22px;}
@media (min-width:1024px){.drawer,.drawer-backdrop{display:none;}}

/* Hero */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);}
.hero-bg{position:absolute;inset:0;background-image:linear-gradient(180deg,rgba(8,13,26,.4),#080D1A 92%),url('/assets/images/backpic/back-1.webp');background-size:cover;background-position:center;opacity:.95;}
.hero-bg::after{content:"";position:absolute;inset:0;background:radial-gradient(600px 320px at 12% 18%,rgba(23,179,168,.18),transparent 70%),radial-gradient(520px 300px at 88% 8%,rgba(242,163,60,.12),transparent 72%);}
.hero-inner{position:relative;display:flex;flex-wrap:wrap;gap:40px;padding-top:56px;padding-bottom:56px;}
@media (min-width:1024px){.hero-inner{padding-top:84px;padding-bottom:84px;gap:56px;}}
.hero-copy{flex:1 1 100%;min-width:0;}
.hero-visual{flex:1 1 100%;min-width:0;}
@media (min-width:900px){
  .hero-copy{flex:1 1 54%;}
  .hero-visual{flex:1 1 38%;}
}
.hero h1{margin-bottom:16px;text-wrap:balance;}
.hero-sub{font-size:16px;color:var(--ink-300);max-width:520px;margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:32px;}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 22px;}
.hero-points li{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--ink-300);}
.hero-points svg{flex:0 0 auto;}
.hero-card{border-radius:var(--radius-card);background:linear-gradient(180deg,rgba(255,255,255,.08),rgba(255,255,255,.03));border:1px solid var(--line);box-shadow:var(--shadow-2);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);padding:22px;background-color:rgba(10,17,30,.62);}
.hero-card .card-label{font-size:13px;color:var(--ink-300);letter-spacing:.06em;margin-bottom:16px;}
.hero-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:18px;}
.metric{background:rgba(8,13,26,.6);border:1px solid var(--line);border-radius:12px;padding:12px 10px;text-align:center;}
.metric b{display:block;font-size:22px;line-height:1.2;color:var(--ink-100);font-variant-numeric:tabular-nums;}
.metric span{font-size:12px;color:var(--ink-500);}
.hero-steps{display:grid;gap:10px;}
.hero-steps li{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--ink-300);padding:9px 12px;border-radius:10px;background:rgba(255,255,255,.03);border:1px solid var(--line);}
.dot{width:8px;height:8px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px rgba(23,179,168,.16);flex:0 0 auto;}
.dot.gold{background:var(--accent);box-shadow:0 0 0 4px rgba(242,163,60,.16);}

/* 快捷入口条 */
.quick-strip{border-bottom:1px solid var(--line);background:var(--bg-800);}
.quick-inner{display:flex;gap:12px;padding:18px 20px;overflow-x:auto;scrollbar-width:none;}
.quick-inner::-webkit-scrollbar{display:none;}
@media (min-width:1024px){.quick-inner{padding:20px 32px;justify-content:space-between;}}
.quick-item{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;padding:11px 16px;border-radius:999px;background:rgba(255,255,255,.04);border:1px solid var(--line);font-size:14px;color:var(--ink-300);transition:transform var(--t),border-color var(--t),color var(--t),background var(--t);}
.quick-item:hover{transform:translateY(-2px);border-color:rgba(23,179,168,.5);color:var(--ink-100);background:rgba(23,179,168,.1);}
.quick-item svg{flex:0 0 auto;}

/* 流程步骤 */
.step-list{display:grid;gap:20px;}
@media (min-width:768px){.step-list{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.step-list{grid-template-columns:repeat(4,1fr);}}
.step{position:relative;padding:24px 20px 22px;border-radius:var(--radius-card);background:var(--bg-800);border:1px solid var(--line);box-shadow:var(--shadow-1);transition:transform var(--t),box-shadow var(--t),border-color var(--t);}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--line-strong);}
.step-no{font-size:13px;font-weight:700;color:var(--accent);letter-spacing:.14em;margin-bottom:12px;display:block;}
.step h3{margin-bottom:8px;color:var(--ink-100);}
.step p{font-size:14px;line-height:1.75;color:var(--ink-300);}
.step::after{content:"";position:absolute;left:20px;right:20px;top:0;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--brand),transparent);opacity:.8;}

/* 权益预览 非对称 */
.benefit-grid{display:grid;gap:20px;}
@media (min-width:900px){
  .benefit-grid{grid-template-columns:1.35fr 1fr;grid-template-rows:auto auto;}
  .benefit-main{grid-row:span 2;}
}
.b-card{position:relative;display:flex;flex-direction:column;border-radius:var(--radius-card);background:var(--bg-800);border:1px solid var(--line);overflow:hidden;box-shadow:var(--shadow-1);transition:transform var(--t),box-shadow var(--t),border-color var(--t);}
.b-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--line-strong);}
.b-media{overflow:hidden;background:var(--bg-700);}
.b-media img{width:100%;height:100%;border-radius:0;transition:transform 300ms ease;}
.b-card:hover .b-media img{transform:scale(1.04);}
.benefit-main .b-media{aspect-ratio:16/10;}
.b-small .b-media{aspect-ratio:16/9;}
.b-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.b-body h3{color:var(--ink-100);}
.b-body p{font-size:14px;line-height:1.75;}
.b-small .b-body{flex-direction:row;gap:16px;align-items:flex-start;padding:18px;}
.b-small .b-media{width:120px;flex:0 0 120px;aspect-ratio:4/3;align-self:stretch;}
.b-small .b-media img{height:100%;min-height:96px;}
.badge{display:inline-flex;align-items:center;gap:6px;align-self:flex-start;padding:4px 11px;border-radius:999px;font-size:12px;letter-spacing:.04em;background:rgba(23,179,168,.14);border:1px solid rgba(23,179,168,.4);color:#8FE6DE;}
.badge.gold{background:rgba(242,163,60,.14);border-color:rgba(242,163,60,.42);color:#F6C179;}

/* 进度 */
.progress-panel{border-radius:var(--radius-card);background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.02));border:1px solid var(--line);box-shadow:var(--shadow-1);padding:26px 22px;}
.seg-bar{display:flex;gap:4px;margin:22px 0 14px;}
.seg{flex:1;height:8px;border-radius:4px;background:rgba(140,180,220,.14);position:relative;transition:background var(--t);}
.seg.done{background:linear-gradient(90deg,var(--brand-2),var(--brand));}
.seg.current{background:var(--brand);box-shadow:0 0 0 1px rgba(23,179,168,.5),0 0 18px -4px rgba(23,179,168,.8);}
.seg.current::after{content:"";position:absolute;left:50%;top:-9px;width:8px;height:8px;margin-left:-4px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(242,163,60,.2);}
.seg-labels{display:grid;grid-template-columns:repeat(5,1fr);gap:4px;text-align:center;}
.seg-labels span{font-size:12px;color:var(--ink-500);line-height:1.5;}
.seg-labels span.on{color:var(--ink-100);}
.progress-note{margin-top:18px;font-size:14px;}

/* 最新信息 */
.news-list{display:grid;gap:16px;}
.news-item{display:flex;gap:16px;padding:16px;border-radius:var(--radius-card);background:var(--bg-800);border:1px solid var(--line);box-shadow:var(--shadow-1);transition:transform var(--t),box-shadow var(--t),border-color var(--t);}
.news-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--line-strong);}
.news-item:hover .news-body h3{color:var(--brand);}
.news-thumb{flex:0 0 112px;width:112px;height:76px;border-radius:var(--radius-img);overflow:hidden;background:var(--bg-700);}
.news-thumb img{width:100%;height:100%;border-radius:0;transition:transform 300ms ease;}
.news-item:hover .news-thumb img{transform:scale(1.04);}
.news-body{min-width:0;display:flex;flex-direction:column;gap:6px;flex:1;}
.news-body h3{font-size:17px;line-height:1.45;color:var(--ink-100);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color var(--t);}
.news-body p{font-size:14px;line-height:1.7;color:var(--ink-300);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--ink-500);}
@media (min-width:900px){
  .news-list{grid-template-columns:repeat(2,1fr);}
  .news-thumb{flex-basis:150px;width:150px;height:96px;}
}
.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;min-height:220px;padding:32px;border-radius:var(--radius-card);border:1px dashed var(--line-strong);background:rgba(255,255,255,.02);text-align:center;}
.empty-state p{font-size:14px;color:var(--ink-500);}

/* FAQ */
.faq-wrap .accordion{border:0;background:transparent;}
.faq-wrap .accordion-item{border:1px solid var(--line);border-radius:var(--radius-card);background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.02));margin-bottom:12px;overflow:hidden;transition:border-color var(--t),background var(--t);}
.faq-wrap .accordion-item:hover{background:rgba(255,255,255,.04);}
.faq-wrap .accordion-item.is-active{border-color:rgba(23,179,168,.45);box-shadow:0 0 0 1px rgba(23,179,168,.22);}
.faq-wrap .accordion-title{display:flex;align-items:center;gap:12px;padding:18px 20px;font-size:16px;font-weight:600;color:var(--ink-100);border:0;background:transparent;position:relative;}
.faq-wrap .accordion-title::before{content:"";width:3px;height:18px;border-radius:2px;background:var(--line-strong);transition:background var(--t);flex:0 0 auto;}
.faq-wrap .accordion-item.is-active .accordion-title::before{background:var(--brand);}
.faq-wrap .accordion-title::after{content:"";position:absolute;right:22px;top:50%;width:8px;height:8px;border-right:2px solid var(--ink-300);border-bottom:2px solid var(--ink-300);transform:translateY(-70%) rotate(45deg);transition:transform var(--t),border-color var(--t);}
.faq-wrap .accordion-item.is-active .accordion-title{color:#8FE6DE;}
.faq-wrap .accordion-item.is-active .accordion-title::after{border-color:var(--brand);transform:translateY(-30%) rotate(225deg);}
.faq-wrap .accordion-content{padding:0 20px 20px;border:0;background:transparent;color:var(--ink-300);font-size:15px;line-height:1.8;}
.faq-wrap .accordion-content[hidden]{display:none;}

/* 佐证数据条 */
.evidence{background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.01));border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.evidence-grid{display:grid;gap:20px;}
@media (min-width:768px){.evidence-grid{grid-template-columns:repeat(4,1fr);}}
.evidence-item{border-left:2px solid rgba(23,179,168,.5);padding-left:16px;}
.evidence-item b{display:block;font-size:26px;line-height:1.2;color:var(--ink-100);font-variant-numeric:tabular-nums;}
.evidence-item span{font-size:13px;color:var(--ink-500);}

/* CTA */
.cta-band{position:relative;overflow:hidden;border-radius:var(--radius-card);border:1px solid var(--line);background-image:linear-gradient(90deg,rgba(8,13,26,.94),rgba(8,13,26,.72)),url('/assets/images/backpic/back-3.webp');background-size:cover;background-position:center;box-shadow:var(--shadow-2);backdrop-filter:blur(14px);}
.cta-band::after{content:"";position:absolute;inset:0;background:radial-gradient(420px 240px at 92% 50%,rgba(23,179,168,.22),transparent 70%);pointer-events:none;}
.cta-inner{position:relative;display:flex;flex-direction:column;gap:20px;padding:30px 24px;}
@media (min-width:900px){.cta-inner{flex-direction:row;align-items:center;justify-content:space-between;padding:38px 40px;}}
.cta-inner h2{font-size:22px;margin-bottom:6px;}
.cta-inner p{font-size:14px;max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* 页脚 */
.site-footer{margin-top:64px;background:var(--bg-800);border-top:1px solid transparent;border-image:linear-gradient(90deg,transparent,rgba(23,179,168,.5),transparent) 1;}
.footer-grid{display:grid;gap:32px;padding:48px 0 32px;}
@media (min-width:768px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand span{font-size:16px;font-weight:700;color:var(--ink-100);}
.site-footer p,.site-footer a,.site-footer li{font-size:13px;color:var(--ink-500);line-height:1.9;}
.footer-col h3{font-size:14px;color:var(--ink-100);margin-bottom:14px;font-weight:600;}
.footer-col li a{position:relative;display:inline-block;padding-left:0;}
.footer-col li a:hover{color:var(--ink-100);padding-left:12px;}
.footer-col li a::before{content:"";position:absolute;left:0;top:50%;width:0;height:6px;border-radius:50%;background:var(--brand);transform:translateY(-50%);transition:width var(--t);}
.footer-col li a:hover::before{width:6px;}
.footer-bottom{border-top:1px solid var(--line);padding:18px 0 28px;display:flex;flex-wrap:wrap;gap:8px 18px;justify-content:space-between;align-items:center;font-size:12px;color:var(--ink-500);}

/* 区块背景变化 */
.band{background:linear-gradient(180deg,var(--bg-900),var(--bg-800) 45%,var(--bg-900));}

/* roulang page: category1 */
:root{
  --bg-900:#080D1A;
  --bg-800:#0C1424;
  --bg-700:#12203A;
  --line:rgba(140,180,220,.14);
  --line-strong:rgba(160,200,235,.30);
  --ink-100:#EAF1F8;
  --ink-300:#A9B8CC;
  --ink-500:#6E7F97;
  --brand:#17B3A8;
  --brand-2:#0E8E8A;
  --brand-ink:#06201F;
  --accent:#F2A33C;
  --shadow-1:0 1px 0 rgba(255,255,255,.04),0 10px 30px -12px rgba(0,0,0,.6);
  --shadow-2:0 18px 44px -16px rgba(0,0,0,.75);
  --glow-brand:0 0 0 1px rgba(23,179,168,.35),0 8px 28px -8px rgba(23,179,168,.55);
  --glow-accent:0 0 0 1px rgba(242,163,60,.35),0 8px 28px -8px rgba(242,163,60,.5);
  --radius-btn:10px;
  --radius-card:16px;
  --radius-img:12px;
  --container:1200px;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-900);
  color:var(--ink-100);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0}
li{list-style:none}
button{font:inherit;border:0;background:none;cursor:pointer;color:inherit}
input{font:inherit}
h1,h2,h3{margin:0;font-weight:700;letter-spacing:-.01em}
h1{font-size:32px;line-height:1.18}
h2{font-size:24px;line-height:1.3}
h3{font-size:18px;line-height:1.45;font-weight:600}
p{margin:0}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
@media (min-width:1024px){
  .container{padding:0 32px}
  h1{font-size:40px}
  h2{font-size:28px}
  h3{font-size:20px}
}
/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background .18s var(--ease),color .18s var(--ease),filter .18s var(--ease),border-color .18s var(--ease);
}
.btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:var(--brand-ink);box-shadow:var(--glow-brand)}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 0 0 1px rgba(23,179,168,.5),0 12px 32px -8px rgba(23,179,168,.72)}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 2px 10px rgba(0,0,0,.4),0 0 0 1px rgba(23,179,168,.35)}
.btn-ghost{background:transparent;border-color:rgba(160,200,235,.3);color:var(--ink-100)}
.btn-ghost:hover{background:rgba(255,255,255,.06);transform:translateY(-2px);border-color:var(--line-strong)}
.btn-ghost:active{transform:translateY(0);background:rgba(255,255,255,.1)}
.btn:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.btn[disabled],.btn.is-disabled{opacity:.45;box-shadow:none;pointer-events:none}
.btn-sm{min-height:40px;padding:0 16px;font-size:14px}
.btn-block{width:100%}
.btn-arrow{
  display:inline-flex;align-items:center;gap:6px;min-height:44px;font-size:14px;font-weight:600;
  color:var(--brand);padding:0 2px;background:none;border:0;position:relative;
  transition:color .18s var(--ease);
}
.btn-arrow span{transition:transform .18s var(--ease)}
.btn-arrow:hover span{transform:translateX(4px)}
.btn-arrow:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px}
/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(8,13,26,.74);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:background .18s var(--ease),box-shadow .18s var(--ease);
}
.site-header.is-scrolled{background:rgba(8,13,26,.92);box-shadow:0 12px 30px -22px rgba(0,0,0,.9)}
.header-inner{display:flex;align-items:center;gap:18px;height:72px;transition:height .18s var(--ease)}
.site-header.is-scrolled .header-inner{height:64px}
.brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:var(--ink-100);flex:0 0 auto;transition:color .18s var(--ease)}
.brand:hover{color:#fff}
.brand svg{flex:0 0 auto}
.main-nav{display:flex;align-items:center;gap:2px;margin:0 auto}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:40px;padding:0 12px;
  border-radius:8px;font-size:15px;color:var(--ink-300);
  transition:color .18s var(--ease),background .18s var(--ease);
}
.nav-link:hover{color:var(--ink-100);background:rgba(255,255,255,.04)}
.nav-link.is-active{color:var(--ink-100);font-weight:600}
.nav-link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;
  background:var(--brand);box-shadow:0 0 12px rgba(23,179,168,.7);
}
.nav-link:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.search-box{position:relative;display:flex;align-items:center}
.search-box svg{position:absolute;left:11px;pointer-events:none;opacity:.55}
.search-box input{
  width:212px;height:40px;padding:0 12px 0 34px;border-radius:var(--radius-btn);
  border:1px solid var(--line);background:rgba(255,255,255,.03);color:var(--ink-100);font-size:14px;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease),background .18s var(--ease);
}
.search-box input::placeholder{color:var(--ink-500)}
.search-box input:focus{outline:none;border-color:rgba(23,179,168,.6);box-shadow:0 0 0 3px rgba(23,179,168,.16);background:rgba(255,255,255,.05)}
.text-link{font-size:14px;color:var(--ink-300);height:40px;display:inline-flex;align-items:center;padding:0 8px;border-radius:8px;transition:color .18s var(--ease),background .18s var(--ease)}
.text-link:hover{color:var(--ink-100);background:rgba(255,255,255,.04)}
.menu-toggle{
  display:none;align-items:center;justify-content:center;width:44px;height:44px;
  border-radius:var(--radius-btn);border:1px solid var(--line);color:var(--ink-100);
  transition:background .18s var(--ease),border-color .18s var(--ease);
}
.menu-toggle:hover{background:rgba(255,255,255,.06);border-color:var(--line-strong)}
.menu-toggle:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
@media (max-width:1023px){
  .main-nav,.search-box,.text-link{display:none}
  .menu-toggle{display:inline-flex}
  .header-actions .btn-primary{display:none}
}
/* ---------- 抽屉 ---------- */
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);z-index:90;
  background:var(--bg-800);border-left:1px solid var(--line);
  transform:translateX(103%);transition:transform .24s var(--ease);
  padding:20px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer-mask{
  position:fixed;inset:0;z-index:80;background:rgba(4,8,16,.68);
  opacity:0;visibility:hidden;transition:opacity .24s var(--ease),visibility .24s var(--ease);
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line);margin-bottom:16px}
.drawer-head span{font-size:15px;font-weight:700}
.drawer-close{width:40px;height:40px;border-radius:10px;font-size:20px;color:var(--ink-300);display:grid;place-items:center;transition:background .18s var(--ease),color .18s var(--ease)}
.drawer-close:hover{background:rgba(255,255,255,.06);color:var(--ink-100)}
.drawer-link{
  display:block;padding:14px 12px;border-radius:10px;font-size:15px;color:var(--ink-300);
  border-bottom:1px solid rgba(140,180,220,.08);transition:color .18s var(--ease),background .18s var(--ease);
}
.drawer-link:last-child{border-bottom:0}
.drawer-link:hover{color:var(--ink-100);background:rgba(255,255,255,.05)}
.drawer-link.is-active{color:var(--brand);font-weight:600}
.drawer-foot{margin-top:20px;padding-top:20px;border-top:1px solid var(--line)}
/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;border-bottom:1px solid var(--line);
  background-image:linear-gradient(180deg,rgba(8,13,26,.38),rgba(8,13,26,.94) 92%),url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;background-repeat:no-repeat;
}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(900px 420px at 10% 18%,rgba(23,179,168,.16),transparent 62%),
             radial-gradient(700px 380px at 88% 6%,rgba(242,163,60,.10),transparent 60%);
}
.hero-inner{position:relative;display:flex;flex-direction:column;justify-content:center;padding:44px 0 64px}
@media (min-width:1024px){.hero-inner{min-height:560px;padding:56px 0 88px}}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-500);margin-bottom:26px;flex-wrap:wrap}
.breadcrumb a{color:var(--ink-500);transition:color .18s var(--ease)}
.breadcrumb a:hover{color:var(--ink-100)}
.breadcrumb .sep{color:rgba(110,127,151,.7)}
.breadcrumb .current{color:var(--ink-300)}
.hero-grid{display:grid;gap:40px}
@media (min-width:900px){.hero-grid{grid-template-columns:1.04fr .96fr;align-items:center;gap:56px}}
.badge{
  display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;border-radius:999px;
  font-size:13px;font-weight:600;letter-spacing:.02em;
}
.badge-accent{background:rgba(242,163,60,.13);color:var(--accent);border:1px solid rgba(242,163,60,.32)}
.badge-brand{background:rgba(23,179,168,.13);color:var(--brand);border:1px solid rgba(23,179,168,.32)}
.hero-copy .badge{margin-bottom:18px}
.hero-copy h1{margin-bottom:18px;max-width:640px}
.hero-sub{font-size:16px;color:var(--ink-300);max-width:560px;margin-bottom:28px}
@media (min-width:1024px){.hero-sub{font-size:17px}}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px}
.hero-meta{display:flex;flex-wrap:wrap;gap:12px 26px}
.hero-meta li{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--ink-300)}
.hero-meta svg{flex:0 0 auto}
.hero-visual{position:relative}
.hero-shot{border-radius:var(--radius-card);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-2)}
.hero-shot img{width:100%;height:250px;object-fit:cover}
@media (min-width:900px){.hero-shot img{height:380px}}
.glass{
  background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
  border:1px solid var(--line);border-radius:var(--radius-card);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);box-shadow:var(--shadow-1);
}
.hero-card{
  position:absolute;left:16px;right:16px;bottom:16px;padding:16px 18px;
  background:linear-gradient(180deg,rgba(12,20,36,.9),rgba(8,13,26,.82));
}
@media (min-width:900px){.hero-card{right:auto;max-width:330px;left:20px;bottom:20px}}
.hero-card-title{font-size:13px;letter-spacing:.08em;color:var(--ink-500);margin-bottom:10px}
.hero-card-list{display:flex;flex-direction:column;gap:9px}
.hero-card-list li{display:flex;align-items:center;gap:9px;font-size:14px;color:var(--ink-100)}
.dot{width:7px;height:7px;border-radius:50%;flex:0 0 7px;background:var(--line-strong)}
.dot-brand{background:var(--brand);box-shadow:0 0 10px rgba(23,179,168,.8)}
.dot-accent{background:var(--accent);box-shadow:0 0 10px rgba(242,163,60,.8)}
/* ---------- 通用板块 ---------- */
.section{padding:64px 0}
@media (min-width:1024px){.section{padding:96px 0}}
.section-tight{padding:48px 0}
@media (min-width:1024px){.section-tight{padding:64px 0}}
.section-head{max-width:720px;margin-bottom:32px}
.section-head h2{margin-bottom:12px}
.section-head p{color:var(--ink-300);font-size:16px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.1em;color:var(--brand);margin-bottom:12px}
/* ---------- 快捷入口 ---------- */
.quick-card{
  display:flex;align-items:center;gap:14px;height:100%;padding:18px;
  border-radius:var(--radius-card);border:1px solid var(--line);
  background:linear-gradient(180deg,var(--bg-800),var(--bg-700));
  box-shadow:var(--shadow-1);margin-bottom:20px;
  transition:transform .18s var(--ease),border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.quick-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-2)}
.quick-icon{
  width:42px;height:42px;flex:0 0 42px;border-radius:12px;display:grid;place-items:center;
  background:rgba(23,179,168,.12);border:1px solid rgba(23,179,168,.28);color:var(--brand);
}
.quick-card h3{font-size:16px;margin-bottom:2px}
.quick-card p{font-size:13px;color:var(--ink-500);line-height:1.6}
/* ---------- 目录索引布局 ---------- */
.index-layout{display:grid;gap:32px}
@media (min-width:1024px){.index-layout{grid-template-columns:264px 1fr;gap:52px;align-items:start}}
.toc{
  padding:20px;border-radius:var(--radius-card);background:var(--bg-800);
  border:1px solid var(--line);box-shadow:var(--shadow-1);
}
@media (min-width:1024px){.toc{position:sticky;top:96px}}
.toc-title{font-size:13px;letter-spacing:.1em;color:var(--ink-500);margin-bottom:14px}
.toc-nav{display:flex;flex-direction:column;gap:2px;margin-bottom:18px}
.toc-link{
  display:block;padding:9px 12px;border-radius:9px;font-size:14px;color:var(--ink-300);
  border-left:2px solid transparent;
  transition:color .18s var(--ease),background .18s var(--ease),border-color .18s var(--ease);
}
.toc-link:hover{color:var(--ink-100);background:rgba(255,255,255,.05)}
.toc-link.is-active{color:var(--brand);background:rgba(23,179,168,.1);border-left-color:var(--brand);font-weight:600}
.toc-foot{border-top:1px solid var(--line);padding-top:16px}
.toc-foot p{font-size:13px;color:var(--ink-500);margin-bottom:12px}
.zone{margin-bottom:48px}
.zone:last-child{margin-bottom:0}
.zone-head{margin-bottom:20px;padding-bottom:16px;border-bottom:1px solid var(--line)}
.zone-head h2{margin-bottom:8px}
.zone-head p{font-size:15px;color:var(--ink-300)}
.entry-list{display:flex;flex-direction:column;gap:12px}
.entry-item{
  display:flex;align-items:center;gap:16px;padding:18px 20px;
  border-radius:var(--radius-card);background:var(--bg-800);border:1px solid var(--line);
  box-shadow:var(--shadow-1);
  transition:transform .18s var(--ease),border-color .18s var(--ease),background .18s var(--ease),box-shadow .18s var(--ease);
}
.entry-item:hover{transform:translateX(4px);border-color:var(--line-strong);background:var(--bg-700);box-shadow:var(--shadow-2)}
.entry-item:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.entry-main{flex:1 1 auto;min-width:0}
.entry-main h3{font-size:17px;margin-bottom:4px;transition:color .18s var(--ease)}
.entry-item:hover .entry-main h3{color:var(--brand)}
.entry-main p{font-size:14px;color:var(--ink-300);line-height:1.7}
.entry-arrow{
  flex:0 0 auto;width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  color:var(--ink-500);background:rgba(255,255,255,.03);border:1px solid var(--line);
  transition:transform .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.entry-item:hover .entry-arrow{transform:translateX(4px);color:var(--brand);border-color:rgba(23,179,168,.4)}
/* ---------- 场景卡 ---------- */
.scene-card{
  height:100%;padding:24px;border-radius:var(--radius-card);background:var(--bg-800);
  border:1px solid var(--line);box-shadow:var(--shadow-1);margin-bottom:24px;
  transition:transform .18s var(--ease),border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.scene-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-2)}
.scene-card img{width:100%;height:190px;object-fit:cover;border-radius:var(--radius-img);margin-bottom:18px}
.scene-card h3{margin-bottom:10px}
.scene-card p{font-size:15px;color:var(--ink-300)}
.scene-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.tag{display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:999px;font-size:12px;color:var(--ink-300);background:rgba(255,255,255,.04);border:1px solid var(--line)}
/* ---------- FAQ ---------- */
.accordion{list-style:none;margin:0;padding:0;background:transparent;border:0}
.accordion-item{
  margin-bottom:12px;border-radius:var(--radius-card);overflow:hidden;
  background:linear-gradient(180deg,rgba(255,255,255,.055),rgba(255,255,255,.02));
  border:1px solid var(--line);
  transition:border-color .18s var(--ease),background .18s var(--ease),box-shadow .18s var(--ease);
}
.accordion-item:hover{background:rgba(255,255,255,.055)}
.accordion-item.is-active{border-color:rgba(23,179,168,.42);box-shadow:var(--shadow-1)}
.accordion-title{
  position:relative;display:block;padding:18px 56px 18px 20px;
  font-size:17px;font-weight:600;color:var(--ink-100);background:transparent;border:0;
  transition:color .18s var(--ease);
}
.accordion-title::before{content:"" !important;display:none !important}
.accordion-title::after{
  content:"";position:absolute;right:22px;top:50%;width:8px;height:8px;
  border-right:2px solid var(--ink-300);border-bottom:2px solid var(--ink-300);
  transform:translateY(-70%) rotate(45deg);
  transition:transform .22s var(--ease),border-color .22s var(--ease);
}
.accordion-item.is-active .accordion-title{color:var(--brand)}
.accordion-item.is-active .accordion-title::after{transform:translateY(-25%) rotate(-135deg);border-color:var(--brand)}
.accordion-item.is-active .accordion-title::before{
  content:"" !important;display:block !important;position:absolute;left:0;top:14px;bottom:14px;width:3px;
  border-radius:0 3px 3px 0;background:var(--brand);box-shadow:0 0 14px rgba(23,179,168,.65);
}
.accordion-content{
  padding:0 20px 20px;border:0;background:transparent;color:var(--ink-300);
  font-size:15.5px;line-height:1.85;
}
.accordion-content p{font-size:15.5px;color:var(--ink-300)}
/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-card);border:1px solid var(--line);
  background-image:linear-gradient(120deg,rgba(23,179,168,.16),rgba(8,13,26,.72)),url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  padding:32px;display:flex;flex-direction:column;gap:22px;box-shadow:var(--shadow-1);
}
@media (min-width:900px){
  .cta-band{flex-direction:row;align-items:center;justify-content:space-between;padding:44px 48px}
}
.cta-band h2{margin-bottom:10px}
.cta-band p{font-size:15px;color:var(--ink-300);max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;flex:0 0 auto}
/* ---------- 页脚 ---------- */
.site-footer{position:relative;margin-top:64px;background:var(--bg-800);border-top:1px solid var(--line)}
.site-footer::before{
  content:"";position:absolute;top:-1px;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(23,179,168,.55),transparent);
}
.footer-grid{display:grid;gap:32px;padding:56px 0 32px;grid-template-columns:1fr}
@media (min-width:640px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:700;margin-bottom:14px}
.site-footer p{font-size:13px;color:var(--ink-500);line-height:1.8;max-width:340px}
.footer-col h3{font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--ink-300);margin-bottom:14px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{
  position:relative;display:inline-block;font-size:13px;color:var(--ink-500);padding-left:0;
  transition:color .18s var(--ease),padding-left .18s var(--ease);
}
.footer-col a::before{
  content:"";position:absolute;left:0;top:50%;width:6px;height:6px;border-radius:50%;
  background:var(--brand);transform:translateY(-50%) scale(0);
  transition:transform .18s var(--ease);
}
.footer-col a:hover{color:var(--ink-100);padding-left:14px}
.footer-col a:hover::before{transform:translateY(-50%) scale(1)}
.footer-col a:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:4px}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;align-items:center;
  padding:20px 0 28px;border-top:1px solid var(--line);
  font-size:13px;color:var(--ink-500);
}
@media (max-width:639px){
  h1{font-size:27px}
  h2{font-size:22px}
  .hero-inner{padding:32px 0 48px}
  .section{padding:52px 0}
  .entry-item{padding:16px}
  .entry-arrow{display:none}
  .cta-band{padding:26px 20px}
}

/* roulang page: article */
:root{
  --bg-900:#080D1A;
  --bg-800:#0C1424;
  --bg-700:#12203A;
  --line:rgba(140,180,220,.14);
  --line-strong:rgba(140,180,220,.30);
  --ink-100:#EAF1F8;
  --ink-300:#A9B8CC;
  --ink-500:#6E7F97;
  --brand:#17B3A8;
  --brand-2:#0E8E8A;
  --brand-ink:#06201F;
  --accent:#F2A33C;
  --shadow-1:0 1px 0 rgba(255,255,255,.04), 0 10px 30px -12px rgba(0,0,0,.6);
  --shadow-2:0 18px 44px -16px rgba(0,0,0,.75);
  --glow-brand:0 0 0 1px rgba(23,179,168,.35), 0 8px 28px -8px rgba(23,179,168,.55);
  --glow-accent:0 0 0 1px rgba(242,163,60,.35), 0 8px 28px -8px rgba(242,163,60,.5);
  --radius-btn:10px;
  --radius-card:16px;
  --radius-img:12px;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink-300);
  background:
    radial-gradient(1200px 620px at 78% -12%,rgba(23,179,168,.10),transparent 62%),
    radial-gradient(900px 520px at 6% -4%,rgba(242,163,60,.07),transparent 58%),
    var(--bg-900);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--ink-100);text-decoration:none;transition:color .18s var(--ease),background .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease)}
a:hover{color:var(--brand)}
h1,h2,h3{margin:0;color:var(--ink-100);font-weight:700;line-height:1.3}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
input,button{outline:none}
::selection{background:rgba(23,179,168,.35);color:#fff}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}

/* ---------- 按钮体系 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;
  font-size:15px;font-weight:600;line-height:1;
  border-radius:var(--radius-btn);border:1px solid transparent;
  cursor:pointer;transition:all .18s var(--ease);white-space:nowrap;
}
.btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:var(--brand-ink);box-shadow:var(--glow-brand)}
.btn-primary:hover{color:var(--brand-ink);transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 0 0 1px rgba(23,179,168,.5),0 14px 34px -10px rgba(23,179,168,.75)}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 3px 12px rgba(0,0,0,.4)}
.btn-ghost{background:transparent;border-color:var(--line-strong);color:var(--ink-100)}
.btn-ghost:hover{background:rgba(255,255,255,.06);color:#fff;border-color:rgba(140,180,220,.5)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px;border-radius:9px}
.btn:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.btn[disabled]{opacity:.45;box-shadow:none;cursor:not-allowed}
.btn-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--brand)}
.btn-arrow span{transition:transform .18s var(--ease)}
.btn-arrow:hover span{transform:translateX(4px)}
.btn-arrow:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(8,13,26,.78);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
  transition:background .25s var(--ease),box-shadow .25s var(--ease);
}
.site-header.is-scrolled{background:rgba(6,10,20,.94);box-shadow:0 12px 32px -20px rgba(0,0,0,.95)}
.header-inner{display:flex;align-items:center;gap:16px;height:74px;transition:height .25s var(--ease)}
.site-header.is-scrolled .header-inner{height:64px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{flex:0 0 auto;filter:drop-shadow(0 0 10px rgba(23,179,168,.4))}
.brand-text{font-size:17px;font-weight:700;letter-spacing:-.01em;color:var(--ink-100)}
.brand:hover .brand-text{color:var(--brand)}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:10px}
.nav-link{
  position:relative;padding:9px 13px;border-radius:8px;
  font-size:14.5px;color:var(--ink-300);
}
.nav-link:hover{color:var(--ink-100);background:rgba(255,255,255,.04)}
.nav-link.is-active{color:var(--ink-100);font-weight:600}
.nav-link.is-active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:2px;height:2px;
  background:var(--brand);border-radius:2px;
}
.header-actions{display:flex;align-items:center;gap:14px;margin-left:auto}
.search-box{
  position:relative;display:flex;align-items:center;
  width:224px;height:40px;padding:0 14px 0 36px;
  border:1px solid var(--line-strong);border-radius:999px;background:rgba(255,255,255,.03);
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.search-box svg{position:absolute;left:12px;top:50%;transform:translateY(-50%);opacity:.7}
.search-box input{width:100%;height:100%;border:0;background:transparent;color:var(--ink-100);font-size:14px}
.search-box input::placeholder{color:var(--ink-500)}
.search-box:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(23,179,168,.18)}
.nav-login{font-size:14.5px;color:var(--ink-300);padding:9px 6px;border-radius:8px}
.nav-login:hover{color:var(--ink-100);background:rgba(255,255,255,.04)}
.menu-toggle{
  display:none;width:44px;height:44px;margin-left:auto;
  background:transparent;border:1px solid var(--line-strong);border-radius:10px;cursor:pointer;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--ink-100);border-radius:2px;transition:transform .2s var(--ease),opacity .2s var(--ease)}
.menu-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.menu-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.menu-toggle:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.mobile-drawer{
  display:none;position:fixed;left:0;right:0;top:74px;z-index:59;
  padding:12px 20px 24px;
  background:rgba(6,10,20,.98);backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.mobile-drawer.is-open{display:block}
.mobile-drawer a{
  display:block;padding:13px 4px;font-size:15px;color:var(--ink-300);
  border-bottom:1px solid rgba(140,180,220,.08);
}
.mobile-drawer a:last-of-type{border-bottom:0}
.mobile-drawer a:hover{color:var(--ink-100)}
.mobile-drawer .btn{margin-top:14px;width:100%;color:var(--brand-ink)}

/* ---------- 面包屑 ---------- */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:22px 0 0;font-size:13px;color:var(--ink-500)}
.breadcrumb a{color:var(--ink-500)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{opacity:.6}
.crumb-current{color:var(--ink-300);max-width:min(520px,70vw);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- 文章头部 ---------- */
.article-hero{padding:26px 0 8px;max-width:860px}
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:999px;font-size:12.5px;font-weight:600;
  color:var(--accent);background:rgba(242,163,60,.12);
  border:1px solid rgba(242,163,60,.32);
}
.article-title{
  margin:16px 0 0;font-size:40px;line-height:1.18;letter-spacing:-.01em;
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:18px;font-size:13px;color:var(--ink-500)}
.meta-dot{width:3px;height:3px;border-radius:50%;background:var(--ink-500);opacity:.7}

/* ---------- 文章布局 ---------- */
.article-layout{padding:44px 0 0}
.article-layout>.cell{flex:0 0 auto;width:100%}
.article-body-wrap{max-width:760px}
.article-body{color:#C6D2E2}
.article-body>*:first-child{margin-top:0}
.article-body h2{
  margin:44px 0 16px;font-size:24px;line-height:1.42;color:var(--ink-100);
  padding-left:14px;border-left:3px solid var(--brand);
}
.article-body h3{margin:32px 0 12px;font-size:19px;font-weight:600;line-height:1.5;color:var(--ink-100)}
.article-body p{margin:0 0 20px;font-size:16.5px;line-height:1.9}
.article-body ul,.article-body ol{margin:0 0 22px;padding-left:22px}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin-bottom:9px;font-size:16px;line-height:1.85}
.article-body li::marker{color:var(--brand)}
.article-body blockquote{
  margin:26px 0;padding:16px 20px;
  background:rgba(23,179,168,.07);
  border-left:3px solid var(--brand);border-radius:0 10px 10px 0;
  color:var(--ink-300);font-size:15.5px;
}
.article-body img{border-radius:var(--radius-img);margin:26px auto}
.article-body figure{margin:26px 0}
.article-body figcaption{margin-top:10px;font-size:13px;color:var(--ink-500);text-align:center}
.article-body table{width:100%;border-collapse:collapse;margin:26px 0;font-size:15px}
.article-body th{
  padding:12px 14px;text-align:left;font-weight:600;color:var(--ink-100);
  background:rgba(255,255,255,.04);border-bottom:1px solid var(--line);white-space:nowrap;
}
.article-body td{padding:12px 14px;border-bottom:1px solid rgba(140,180,220,.08);color:var(--ink-300)}
.article-body tbody tr:nth-child(odd){background:rgba(255,255,255,.015)}
.article-body pre{
  margin:0 0 24px;padding:16px 18px;overflow-x:auto;
  background:#060B16;border:1px solid var(--line);border-radius:var(--radius-img);
  font-size:14px;line-height:1.75;
}
.article-body code{font-family:"JetBrains Mono",Consolas,Menlo,monospace}
.article-body p code,.article-body li code{
  padding:2px 6px;border-radius:6px;background:rgba(255,255,255,.06);
  color:var(--accent);font-size:14px;
}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px}

/* ---------- 标签与返回 ---------- */
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:40px;padding-top:24px;border-top:1px solid var(--line)}
.tag-label{font-size:13px;color:var(--ink-500)}
.tag{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;
  border-radius:999px;font-size:13.5px;color:var(--ink-300);
  background:rgba(255,255,255,.03);border:1px solid var(--line);
}
.tag:hover{color:var(--brand);border-color:rgba(23,179,168,.45);background:rgba(23,179,168,.08)}
.back-row{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;margin-top:28px;padding-bottom:8px}

/* ---------- 空态 ---------- */
.empty-state{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  min-height:220px;padding:32px 20px;text-align:center;
  background:var(--bg-800);border:1px dashed var(--line);border-radius:var(--radius-card);
}
.empty-state p{font-size:15px;color:var(--ink-500)}

/* ---------- 侧栏 ---------- */
.cell-side{margin-top:32px}
.side-sticky{position:static}
.side-card{
  padding:22px;background:var(--bg-800);
  border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-1);
}
.side-card+.side-card{margin-top:20px}
.side-card h3{font-size:16px;margin-bottom:14px}
.side-list li+li{border-top:1px solid rgba(140,180,220,.08)}
.side-list a{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:12px 0;font-size:14.5px;color:var(--ink-300)}
.side-list a span{color:var(--brand);transition:transform .18s var(--ease)}
.side-list a:hover{color:var(--ink-100)}
.side-list a:hover span{transform:translateX(4px)}
.side-card-note p{font-size:14px;line-height:1.8;color:var(--ink-500)}

/* ---------- 继续了解 ---------- */
.related-section{padding:72px 0 8px}
.related-section h2{font-size:26px;margin-bottom:26px}
.card-mini{
  display:flex;gap:14px;align-items:center;padding:14px;
  background:var(--bg-800);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);transition:transform .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease);
}
.card-mini:hover{transform:translateY(-4px);border-color:rgba(23,179,168,.4);box-shadow:var(--shadow-2)}
.card-mini-thumb{flex:0 0 108px;width:108px;height:72px;border-radius:var(--radius-img);overflow:hidden;background:var(--bg-700)}
.card-mini-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.card-mini:hover .card-mini-thumb img{transform:scale(1.04)}
.card-mini-body{display:flex;flex-direction:column;gap:6px;min-width:0}
.card-mini-tag{font-size:12px;color:var(--accent)}
.card-mini-title{font-size:14.5px;line-height:1.55;color:var(--ink-100)}
.card-mini:hover .card-mini-title{color:var(--brand)}

/* ---------- CTA ---------- */
.cta-band{margin:88px 0 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.cta-inner{
  position:relative;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
  padding:44px 20px;border-radius:0;
}
.cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    linear-gradient(90deg,rgba(23,179,168,.16),transparent 55%),
    url("/assets/images/backpic/back-3.webp") right center/cover no-repeat;
  opacity:.28;
}
.cta-inner{position:relative}
.cta-inner h2{font-size:24px}
.cta-inner p{margin-top:10px;font-size:15px;color:var(--ink-300);max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:0;padding-top:60px;position:relative}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(140,180,220,.35),transparent);
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;padding-bottom:48px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand span{font-size:16px;font-weight:700;color:var(--ink-100)}
.site-footer p{font-size:13px;line-height:1.85;color:var(--ink-500);max-width:320px}
.footer-col h3{font-size:14px;margin-bottom:16px;color:var(--ink-100)}
.footer-col li+li{margin-top:10px}
.footer-col a{position:relative;font-size:13px;color:var(--ink-500);padding-left:0;transition:color .18s var(--ease),padding-left .18s var(--ease)}
.footer-col a::before{
  content:"";position:absolute;left:0;top:50%;width:6px;height:6px;border-radius:50%;
  background:var(--brand);transform:translateY(-50%) scale(0);transition:transform .18s var(--ease);
}
.footer-col a:hover{color:var(--ink-100);padding-left:12px}
.footer-col a:hover::before{transform:translateY(-50%) scale(1)}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  padding:20px 0 34px;border-top:1px solid var(--line);
  font-size:13px;color:var(--ink-500);
}

/* ---------- 响应式 ---------- */
@media (min-width:1024px){
  .container{padding-left:32px;padding-right:32px}
  .article-layout>.cell.cell-main{width:66.6667%;padding-right:36px}
  .article-layout>.cell.cell-side{width:33.3333%;margin-top:0}
  .side-sticky{position:sticky;top:96px}
}
@media (max-width:1023px){
  .main-nav,.search-box,.nav-login{display:none}
  .menu-toggle{display:flex}
  .header-actions{display:none}
  .article-title{font-size:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:640px){
  body{font-size:15.5px}
  .container{padding-left:20px;padding-right:20px}
  .header-inner{height:64px}
  .mobile-drawer{top:64px}
  .brand-text{font-size:16px}
  .article-title{font-size:28px}
  .article-body p{font-size:15.5px}
  .article-body h2{font-size:21px}
  .article-body h3{font-size:18px}
  .related-section{padding-top:56px}
  .card-mini-thumb{flex-basis:92px;width:92px;height:64px}
  .cta-inner{padding:32px 20px}
  .cta-inner h2{font-size:21px}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding-bottom:36px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .footer-col a{padding-left:12px}
  .footer-col a::before{transform:translateY(-50%) scale(1)}
}

/* roulang page: category2 */
:root{
  --bg-900:#080D1A;--bg-800:#0C1424;--bg-700:#12203A;--line:rgba(140,180,220,.14);
  --ink-100:#EAF1F8;--ink-300:#A9B8CC;--ink-500:#6E7F97;
  --brand:#17B3A8;--brand-2:#0E8E8A;--brand-ink:#06201F;--accent:#F2A33C;
  --shadow-1:0 1px 0 rgba(255,255,255,.04),0 10px 30px -12px rgba(0,0,0,.6);
  --shadow-2:0 18px 44px -16px rgba(0,0,0,.75);
  --glow-brand:0 0 0 1px rgba(23,179,168,.35),0 8px 28px -8px rgba(23,179,168,.55);
  --glow-accent:0 0 0 1px rgba(242,163,60,.35),0 8px 28px -8px rgba(242,163,60,.5);
  --radius-btn:10px;--radius-card:16px;--radius-img:12px;
  --ease:180ms cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--bg-900);color:var(--ink-100);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.85;letter-spacing:0;
}
body.drawer-open{overflow:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color var(--ease),background-color var(--ease)}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input{font:inherit}
h1,h2,h3,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
::selection{background:rgba(23,179,168,.35)}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:1024px){.container{padding:0 32px}}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 20px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;letter-spacing:.01em;white-space:nowrap;
  transition:transform var(--ease),box-shadow var(--ease),background-color var(--ease),border-color var(--ease),filter var(--ease);
}
.btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:var(--brand-ink);box-shadow:var(--glow-brand)}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 0 0 1px rgba(23,179,168,.5),0 12px 32px -8px rgba(23,179,168,.65)}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 2px 6px rgba(0,0,0,.35)}
.btn-ghost{border:1px solid rgba(140,180,220,.32);color:var(--ink-100);background:transparent}
.btn-ghost:hover{background:rgba(255,255,255,.06);border-color:rgba(180,215,245,.45);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0);background:rgba(255,255,255,.03)}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.45;box-shadow:none;filter:none;cursor:not-allowed;transform:none}
.arrow-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand);min-height:44px}
.arrow-link span{transition:transform var(--ease)}
.arrow-link:hover span{transform:translateX(4px)}
.arrow-link::after{content:"";display:block;height:1px;background:linear-gradient(90deg,rgba(23,179,168,.6),rgba(23,179,168,0));position:absolute}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:linear-gradient(180deg,rgba(12,20,36,.94),rgba(8,13,26,.8));
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:padding var(--ease),background-color var(--ease);
}
.header-inner{display:flex;align-items:center;gap:20px;min-height:72px;transition:min-height var(--ease)}
.site-header.is-scrolled{background:linear-gradient(180deg,rgba(8,13,26,.98),rgba(8,13,26,.9))}
.site-header.is-scrolled .header-inner{min-height:64px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{display:grid;place-items:center;width:36px;height:36px;border-radius:12px;background:linear-gradient(180deg,rgba(255,255,255,.08),rgba(255,255,255,.02));border:1px solid var(--line)}
.brand-text{font-size:17px;font-weight:700;letter-spacing:.01em;color:var(--ink-100)}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:8px}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:44px;padding:0 12px;border-radius:8px;
  font-size:15px;color:var(--ink-300);
}
.nav-link:hover{color:var(--ink-100);background:rgba(255,255,255,.04)}
.nav-link.is-active{color:var(--ink-100);font-weight:600}
.nav-link.is-active::after{content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--brand),var(--brand-2))}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.nav-search{position:relative;display:flex;align-items:center;width:224px}
.nav-search svg{position:absolute;left:12px;width:16px;height:16px;stroke:var(--ink-500);fill:none;stroke-width:1.8}
.nav-search input{
  width:100%;height:40px;padding:0 14px 0 36px;border-radius:var(--radius-btn);
  background:rgba(8,13,26,.7);border:1px solid var(--line);color:var(--ink-100);font-size:14px;
}
.nav-search input::placeholder{color:var(--ink-500)}
.nav-search input:focus{border-color:rgba(23,179,168,.6);box-shadow:0 0 0 2px rgba(23,179,168,.18)}
.nav-login{font-size:14px;color:var(--ink-300);padding:0 6px}
.nav-login:hover{color:var(--brand)}
.nav-toggle{display:none;width:44px;height:44px;border-radius:var(--radius-btn);border:1px solid var(--line);align-items:center;justify-content:center}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink-100);border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink-100);border-radius:2px}
.nav-toggle span::before{top:-6px}.nav-toggle span::after{top:6px}
.mobile-drawer{
  position:fixed;left:0;right:0;top:72px;bottom:0;z-index:79;
  background:linear-gradient(180deg,rgba(12,20,36,.99),rgba(8,13,26,.99));
  border-top:1px solid var(--line);padding:20px;overflow-y:auto;
  opacity:0;visibility:hidden;transform:translateY(-8px);pointer-events:none;
  transition:opacity var(--ease),transform var(--ease),visibility var(--ease);
}
.mobile-drawer.is-open{opacity:1;visibility:visible;transform:translateY(0);pointer-events:auto}
.drawer-link{display:block;padding:14px 4px;font-size:16px;color:var(--ink-300);border-bottom:1px solid rgba(140,180,220,.1)}
.drawer-link.is-active{color:var(--brand);font-weight:600}
.drawer-actions{display:flex;gap:12px;margin-top:20px}
.drawer-actions .btn{flex:1}
@media (max-width:1023px){
  .main-nav,.nav-search,.nav-login{display:none}
  .nav-toggle{display:inline-flex}
}
@media (min-width:1024px){.mobile-drawer{display:none}}

/* ---------- 页面首屏 ---------- */
.page-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.page-hero-bg{
  position:absolute;inset:0;background-size:cover;background-position:center;opacity:.34;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(720px 340px at 12% 0%,rgba(23,179,168,.18),transparent 70%),
    radial-gradient(560px 300px at 90% 20%,rgba(242,163,60,.12),transparent 72%),
    linear-gradient(180deg,rgba(8,13,26,.55),rgba(8,13,26,.96) 88%);
}
.page-hero .container{position:relative;z-index:2;padding-top:28px;padding-bottom:48px}
@media (min-width:1024px){.page-hero .container{padding-top:40px;padding-bottom:72px}}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-500)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:var(--ink-500);opacity:.7}
.breadcrumb .current{color:var(--ink-300)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;margin:22px 0 14px;
  padding:6px 14px;border-radius:999px;font-size:13px;font-weight:600;letter-spacing:.04em;
  color:var(--accent);background:rgba(242,163,60,.1);border:1px solid rgba(242,163,60,.32);
}
.page-hero h1{font-size:32px;line-height:1.18;font-weight:700;letter-spacing:-.01em}
@media (min-width:1024px){.page-hero h1{font-size:40px}}
.lede{margin-top:16px;max-width:560px;font-size:16px;color:var(--ink-300)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.hero-point{display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border-radius:999px;font-size:13px;color:var(--ink-300);background:rgba(255,255,255,.03);border:1px solid var(--line)}
.hero-point i{width:6px;height:6px;border-radius:50%;background:var(--brand);display:inline-block}

.kv-card{
  border-radius:var(--radius-card);border:1px solid var(--line);padding:22px;
  background:linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.02));
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  box-shadow:var(--shadow-1);
}
.kv-card h2{font-size:18px;font-weight:600}
.kv-card p{margin-top:8px;font-size:14px;color:var(--ink-300)}
.kv-list{margin-top:16px;display:grid;gap:10px}
.kv-list li{display:flex;gap:10px;font-size:14px;color:var(--ink-300);line-height:1.7}
.kv-list li b{color:var(--ink-100);font-weight:600}
.kv-num{flex:0 0 auto;width:22px;height:22px;border-radius:7px;display:grid;place-items:center;font-size:12px;font-weight:700;color:var(--brand-ink);background:linear-gradient(135deg,var(--brand),var(--brand-2))}

.metric-strip{display:flex;gap:12px;margin-top:34px;overflow-x:auto;padding-bottom:4px}
.metric{
  flex:1 0 190px;min-width:170px;padding:16px 18px;border-radius:var(--radius-card);
  background:var(--bg-800);border:1px solid var(--line);box-shadow:var(--shadow-1);
}
.metric strong{display:block;font-size:24px;font-weight:700;color:var(--brand);font-variant-numeric:tabular-nums}
.metric span{display:block;margin-top:4px;font-size:13px;color:var(--ink-500)}

/* ---------- 通用板块 ---------- */
.section{padding:64px 0}
@media (min-width:1024px){.section{padding:96px 0}}
.section-alt{background:linear-gradient(180deg,rgba(18,32,58,.5),rgba(8,13,26,0))}
.section-head{max-width:720px;margin-bottom:34px}
.section-title{font-size:24px;font-weight:700;line-height:1.3}
@media (min-width:1024px){.section-title{font-size:28px}}
.section-desc{margin-top:12px;font-size:15.5px;color:var(--ink-300)}
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;font-size:12px;font-weight:600;color:var(--brand);background:rgba(23,179,168,.12);border:1px solid rgba(23,179,168,.3)}
.badge-accent{color:var(--accent);background:rgba(242,163,60,.1);border-color:rgba(242,163,60,.32)}

/* ---------- 交错图文 ---------- */
.flow-row{margin-bottom:56px}
.flow-row:last-child{margin-bottom:0}
.flow-media{position:relative;border-radius:var(--radius-card);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-1)}
.flow-media img{width:100%;height:100%;min-height:230px;max-height:330px;object-fit:cover;border-radius:var(--radius-card);transition:transform 300ms var(--ease)}
.flow-media:hover img{transform:scale(1.04)}
.flow-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(8,13,26,.05),rgba(8,13,26,.45))}
.step-no{display:inline-flex;align-items:center;gap:10px;font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--brand)}
.step-no em{font-style:normal;font-variant-numeric:tabular-nums;color:var(--ink-500)}
.flow-body h3{margin-top:12px;font-size:20px;font-weight:600;line-height:1.45}
.flow-body p{margin-top:12px;font-size:15.5px;color:var(--ink-300)}
.checklist{margin-top:16px;display:grid;gap:10px}
.checklist li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:var(--ink-300);line-height:1.7}
.checklist svg{flex:0 0 auto;width:16px;height:16px;margin-top:7px;stroke:var(--brand);fill:none;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}
@media (max-width:899px){
  .flow-row .flow-media{margin-bottom:22px}
}

/* ---------- 并列卡 ---------- */
.dual-card{
  height:100%;padding:24px;border-radius:var(--radius-card);background:var(--bg-800);
  border:1px solid var(--line);box-shadow:var(--shadow-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.dual-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(180,215,245,.28)}
.dual-card img{width:100%;height:168px;object-fit:cover;border-radius:var(--radius-img);margin-bottom:18px}
.dual-card h3{font-size:18px;font-weight:600}
.dual-card p{margin-top:10px;font-size:14.5px;color:var(--ink-300)}
.dual-card ul{margin-top:14px;display:grid;gap:8px}
.dual-card ul li{font-size:13.5px;color:var(--ink-500);padding-left:14px;position:relative}
.dual-card ul li::before{content:"";position:absolute;left:0;top:12px;width:6px;height:6px;border-radius:50%;background:var(--accent);opacity:.8}

/* ---------- 进度 ---------- */
.progress-block{padding:28px;border-radius:var(--radius-card);background:var(--bg-800);border:1px solid var(--line);box-shadow:var(--shadow-1)}
.seg-bar{display:flex;gap:4px;margin-top:6px}
.seg{flex:1;height:8px;border-radius:999px;background:rgba(140,180,220,.16)}
.seg.is-done{background:linear-gradient(90deg,var(--brand-2),var(--brand))}
.seg.is-current{background:linear-gradient(90deg,var(--brand),var(--accent));box-shadow:0 0 0 1px rgba(242,163,60,.4),0 6px 20px -8px rgba(242,163,60,.7)}
.seg-labels{display:flex;gap:4px;margin-top:12px}
.seg-labels span{flex:1;font-size:12.5px;color:var(--ink-500);text-align:left}
.seg-labels span.on{color:var(--ink-100);font-weight:600}
.seg-labels span.now{color:var(--accent);font-weight:700}

/* ---------- 标签切换 ---------- */
.tabs{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:20px}
.tab-btn{
  min-height:40px;padding:0 16px;border-radius:999px;font-size:14px;color:var(--ink-300);
  background:rgba(255,255,255,.03);border:1px solid var(--line);
  transition:color var(--ease),background-color var(--ease),border-color var(--ease);
}
.tab-btn:hover{color:var(--ink-100);background:rgba(255,255,255,.06)}
.tab-btn.is-active{color:var(--brand-ink);background:linear-gradient(135deg,var(--brand),var(--brand-2));border-color:transparent;font-weight:600}
.tab-panel{display:none;padding:24px;border-radius:var(--radius-card);background:var(--bg-800);border:1px solid var(--line)}
.tab-panel.is-active{display:block;animation:fadeIn 240ms var(--ease)}
@keyframes fadeIn{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}
.tab-panel h3{font-size:18px;font-weight:600}
.tab-panel p{margin-top:10px;font-size:15px;color:var(--ink-300)}
.tab-panel .checklist{margin-top:14px}

/* ---------- 提示列表 ---------- */
.tips-list{display:grid;gap:12px}
.tip{
  display:flex;gap:16px;align-items:flex-start;padding:18px 20px;border-radius:var(--radius-card);
  background:rgba(18,32,58,.6);border:1px solid var(--line);
  transition:background-color var(--ease),border-color var(--ease)
}
.tip:hover{background:rgba(18,32,58,.9);border-color:rgba(180,215,245,.24)}
.tip-index{flex:0 0 auto;font-size:13px;font-weight:700;color:var(--accent);font-variant-numeric:tabular-nums;padding-top:2px}
.tip h3{font-size:16px;font-weight:600}
.tip p{margin-top:6px;font-size:14px;color:var(--ink-300)}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-card);border:1px solid var(--line);
  padding:32px 26px;background:linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.02));
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);box-shadow:var(--shadow-1);
}
.cta-band::before{content:"";position:absolute;inset:0;background:radial-gradient(420px 220px at 8% 120%,rgba(23,179,168,.22),transparent 72%)}
.cta-band .cta-inner{position:relative;display:flex;flex-direction:column;gap:20px}
@media (min-width:900px){
  .cta-band{padding:40px 44px}
  .cta-band .cta-inner{flex-direction:row;align-items:center;justify-content:space-between}
}
.cta-band h2{font-size:22px;font-weight:700}
@media (min-width:1024px){.cta-band h2{font-size:26px}}
.cta-band p{margin-top:8px;font-size:14.5px;color:var(--ink-300);max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- 页脚 ---------- */
.site-footer{position:relative;margin-top:64px;padding:56px 0 24px;background:var(--bg-800);font-size:13px}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(23,179,168,.55),transparent)}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media (min-width:768px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:28px}}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:15px;font-weight:700;color:var(--ink-100)}
.footer-grid p{margin-top:12px;color:var(--ink-500);line-height:1.9;max-width:320px}
.footer-col h3{font-size:14px;font-weight:600;color:var(--ink-100)}
.footer-col ul{margin-top:14px;display:grid;gap:10px}
.footer-col a{position:relative;display:inline-block;color:var(--ink-500);padding-left:0;transition:color var(--ease),padding-left var(--ease)}
.footer-col a::before{content:"";position:absolute;left:0;top:50%;width:0;height:6px;border-radius:50%;background:var(--brand);transform:translateY(-50%);opacity:0;transition:width var(--ease),opacity var(--ease)}
.footer-col a:hover{color:var(--ink-100);padding-left:14px}
.footer-col a:hover::before{width:6px;opacity:1}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;align-items:center;
  margin-top:40px;padding-top:18px;border-top:1px solid var(--line);color:var(--ink-500);
}

/* roulang page: category3 */
:root{
  --bg-900:#080D1A;
  --bg-800:#0C1424;
  --bg-700:#12203A;
  --line:rgba(140,180,220,.14);
  --line-strong:rgba(140,180,220,.28);
  --ink-100:#EAF1F8;
  --ink-300:#A9B8CC;
  --ink-500:#6E7F97;
  --brand:#17B3A8;
  --brand-2:#0E8E8A;
  --brand-ink:#06201F;
  --accent:#F2A33C;
  --shadow-1:0 1px 0 rgba(255,255,255,.04), 0 10px 30px -12px rgba(0,0,0,.6);
  --shadow-2:0 18px 44px -16px rgba(0,0,0,.75);
  --glow-brand:0 0 0 1px rgba(23,179,168,.35), 0 8px 28px -8px rgba(23,179,168,.55);
  --glow-accent:0 0 0 1px rgba(242,163,60,.35), 0 8px 28px -8px rgba(242,163,60,.5);
  --radius-btn:10px;
  --radius-card:16px;
  --radius-img:12px;
  --ease:cubic-bezier(.2,.7,.3,1);
  --gutter:20px;
  --pad:20px;
}
@media (min-width:1024px){
  :root{ --gutter:28px; --pad:32px; }
}

*,*::before,*::after{ box-sizing:border-box; }

html{ -webkit-text-size-adjust:100%; scroll-behavior:smooth; }

body{
  margin:0;
  background:var(--bg-900);
  color:var(--ink-300);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

img{ max-width:100%; display:block; border-radius:var(--radius-img); }
a{ color:var(--ink-100); text-decoration:none; transition:color 180ms var(--ease),background-color 180ms var(--ease),border-color 180ms var(--ease); }
a:hover,a:focus{ color:#fff; }
button{ font:inherit; }
ul,ol{ margin:0; padding:0; list-style:none; }
h1,h2,h3,p{ margin:0; }
h1{ font-size:40px; line-height:1.18; letter-spacing:-.01em; color:var(--ink-100); font-weight:700; }
h2{ font-size:28px; line-height:1.3; color:var(--ink-100); font-weight:700; letter-spacing:-.005em; }
h3{ font-size:20px; line-height:1.45; color:var(--ink-100); font-weight:600; }

:focus-visible{ outline:2px solid var(--brand); outline-offset:2px; border-radius:6px; }

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:calc(var(--pad) + var(--gutter)/2);
  padding-right:calc(var(--pad) + var(--gutter)/2);
}

.grid-x.grid-margin-x{ margin-left:calc(var(--gutter) / -2); margin-right:calc(var(--gutter) / -2); }
.grid-x.grid-margin-x > .cell{ padding-left:calc(var(--gutter) / 2); padding-right:calc(var(--gutter) / 2); }

.section{ padding:64px 0; }
@media (min-width:1024px){ .section{ padding:96px 0; } }
.section-tight{ padding:56px 0; }
@media (min-width:1024px){ .section-tight{ padding:72px 0; } }

.eyebrow{
  display:inline-flex; align-items:center; gap:8px;
  font-size:13px; letter-spacing:.08em; color:var(--brand);
  text-transform:uppercase; margin-bottom:14px;
}
.eyebrow::before{
  content:""; width:18px; height:2px; border-radius:2px;
  background:linear-gradient(90deg,var(--brand),var(--accent));
}

.lead{ font-size:16px; color:var(--ink-300); max-width:62ch; }
.muted{ color:var(--ink-500); font-size:13px; }

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  min-height:46px; padding:0 22px;
  border-radius:var(--radius-btn);
  border:1px solid transparent;
  font-size:15px; font-weight:600; letter-spacing:.01em;
  cursor:pointer;
  transition:transform 180ms var(--ease),box-shadow 180ms var(--ease),background-color 180ms var(--ease),border-color 180ms var(--ease),color 180ms var(--ease),filter 180ms var(--ease);
}
.btn-sm{ min-height:40px; padding:0 16px; font-size:14px; }
.btn-primary{
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:var(--brand-ink);
  box-shadow:var(--glow-brand);
}
.btn-primary:hover{ transform:translateY(-2px); filter:brightness(1.06); color:var(--brand-ink); }
.btn-primary:active{ transform:translateY(0); box-shadow:inset 0 2px 8px rgba(0,0,0,.35); }
.btn-primary[disabled],.btn-primary.is-disabled{ opacity:.45; box-shadow:none; cursor:not-allowed; transform:none; }
.btn-ghost{
  background:transparent; color:var(--ink-100);
  border-color:var(--line-strong);
}
.btn-ghost:hover{ background:rgba(255,255,255,.06); border-color:var(--brand); color:#fff; }
.btn-ghost:active{ transform:translateY(1px); }
.btn-arrow{
  display:inline-flex; align-items:center; gap:8px;
  color:var(--brand); font-weight:600; font-size:14px;
  padding:8px 0; min-height:44px;
  background:none; border:0; cursor:pointer;
}
.btn-arrow .arw{ transition:transform 180ms var(--ease); }
.btn-arrow:hover .arw{ transform:translateX(4px); }
.btn-arrow::after{
  content:""; display:block; height:1px; position:absolute;
}

.badge{
  display:inline-flex; align-items:center; gap:6px;
  padding:4px 12px; border-radius:999px;
  font-size:12px; line-height:1.6; font-weight:600;
  border:1px solid var(--line-strong); color:var(--ink-300);
  background:rgba(255,255,255,.03);
}
.badge-brand{ color:var(--brand); border-color:rgba(23,179,168,.4); background:rgba(23,179,168,.08); }
.badge-accent{ color:var(--accent); border-color:rgba(242,163,60,.4); background:rgba(242,163,60,.08); }

/* ---------- 导航 ---------- */
.site-header{
  position:sticky; top:0; z-index:60;
  background:linear-gradient(180deg,rgba(9,14,28,.92),rgba(9,14,28,.78));
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:padding 200ms var(--ease),background-color 200ms var(--ease);
}
.header-inner{
  display:flex; align-items:center; gap:24px;
  padding-top:16px; padding-bottom:16px;
  transition:padding 200ms var(--ease);
}
.site-header.is-scrolled{ background:linear-gradient(180deg,rgba(7,11,22,.97),rgba(7,11,22,.9)); }
.site-header.is-scrolled .header-inner{ padding-top:10px; padding-bottom:10px; }

.brand{ display:inline-flex; align-items:center; gap:10px; flex:0 0 auto; }
.brand-mark{ width:30px; height:30px; flex:0 0 auto; }
.brand-text{ font-size:18px; font-weight:700; color:var(--ink-100); letter-spacing:.01em; }
.brand:hover .brand-text{ color:var(--brand); }

.main-nav{ display:flex; align-items:center; gap:4px; flex:1 1 auto; }
.nav-link{
  position:relative;
  display:inline-flex; align-items:center;
  min-height:40px; padding:0 12px;
  border-radius:8px;
  font-size:15px; color:var(--ink-300);
}
.nav-link:hover{ color:var(--ink-100); background:rgba(255,255,255,.04); }
.nav-link.is-active{ color:var(--ink-100); font-weight:600; }
.nav-link.is-active::after{
  content:""; position:absolute; left:12px; right:12px; bottom:2px;
  height:2px; border-radius:2px;
  background:linear-gradient(90deg,var(--brand),var(--accent));
}

.nav-actions{ display:flex; align-items:center; gap:12px; flex:0 0 auto; }
.search-box{
  display:flex; align-items:center; gap:8px;
  width:220px; height:42px; padding:0 14px;
  border-radius:999px;
  border:1px solid var(--line-strong);
  background:rgba(255,255,255,.03);
  transition:border-color 180ms var(--ease),box-shadow 180ms var(--ease);
}
.search-box svg{ width:16px; height:16px; flex:0 0 auto; color:var(--ink-500); }
.search-box input{
  flex:1 1 auto; min-width:0;
  background:transparent; border:0; outline:none;
  color:var(--ink-100); font-size:14px;
}
.search-box input::placeholder{ color:var(--ink-500); }
.search-box:focus-within{
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(23,179,168,.16);
}
.link-plain{ font-size:14px; color:var(--ink-300); padding:8px 4px; min-height:44px; display:inline-flex; align-items:center; }
.link-plain:hover{ color:var(--ink-100); }

.nav-toggle{
  display:none;
  width:44px; height:44px;
  align-items:center; justify-content:center;
  border-radius:var(--radius-btn);
  border:1px solid var(--line-strong);
  background:rgba(255,255,255,.03);
  cursor:pointer;
}
.nav-toggle span{
  display:block; width:18px; height:2px; border-radius:2px;
  background:var(--ink-100); position:relative;
}
.nav-toggle span::before,.nav-toggle span::after{
  content:""; position:absolute; left:0; width:18px; height:2px; border-radius:2px; background:var(--ink-100);
}
.nav-toggle span::before{ top:-6px; }
.nav-toggle span::after{ top:6px; }

.mobile-drawer{
  display:none;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(12,20,36,.98),rgba(8,13,26,.98));
}
.mobile-drawer.is-open{ display:block; }
.mobile-drawer ul{ padding:8px 0 18px; }
.mobile-drawer li + li{ border-top:1px solid transparent; border-image:linear-gradient(90deg,rgba(140,180,220,.22),transparent) 1; }
.mobile-drawer a{
  display:flex; align-items:center; justify-content:space-between;
  min-height:52px; padding:0 22px; font-size:15px; color:var(--ink-300);
}
.mobile-drawer a.is-active{ color:var(--brand); font-weight:600; }
.mobile-drawer a:hover{ background:rgba(255,255,255,.04); color:var(--ink-100); }
.drawer-foot{ padding:16px 22px 26px; }

@media (max-width:1023px){
  .main-nav{ display:none; }
  .search-box{ display:none; }
  .link-plain{ display:none; }
  .nav-toggle{ display:inline-flex; }
  .nav-actions .btn-primary{ display:none; }
  .brand-text{ font-size:16px; }
}

/* ---------- Hero ---------- */
.cat-hero{
  position:relative;
  overflow:hidden;
  border-bottom:1px solid var(--line);
  background-color:var(--bg-800);
  background-image:
    radial-gradient(80% 60% at 12% 0%, rgba(23,179,168,.16), transparent 62%),
    radial-gradient(60% 50% at 92% 12%, rgba(242,163,60,.1), transparent 60%),
    linear-gradient(180deg, rgba(8,13,26,.6), var(--bg-900) 94%),
    url("/assets/images/backpic/back-3.webp");
  background-size:auto,auto,auto,cover;
  background-position:center,center,center,center 30%;
}
.cat-hero .container{ padding-top:40px; padding-bottom:56px; }
@media (min-width:1024px){ .cat-hero .container{ padding-top:56px; padding-bottom:80px; } }

.breadcrumb{
  display:flex; align-items:center; flex-wrap:wrap; gap:8px;
  font-size:13px; color:var(--ink-500); margin-bottom:26px;
}
.breadcrumb a{ color:var(--ink-500); }
.breadcrumb a:hover{ color:var(--brand); }
.breadcrumb .sep{ color:var(--ink-500); }
.breadcrumb .now{ color:var(--ink-300); }

.hero-grid{ display:flex; flex-wrap:wrap; align-items:flex-start; gap:40px; }
.hero-copy{ flex:1 1 420px; min-width:280px; }
.hero-aside{ flex:1 1 320px; min-width:260px; }

.cat-hero h1{ max-width:16em; }
.cat-hero .hero-sub{
  margin-top:18px; font-size:17px; color:var(--ink-300); max-width:30ch;
}
.hero-actions{ display:flex; flex-wrap:wrap; gap:14px; margin-top:30px; }

.hero-metrics{
  display:flex; flex-wrap:wrap; gap:12px 32px;
  margin-top:36px; padding-top:24px;
  border-top:1px solid var(--line);
}
.metric{ display:flex; align-items:center; gap:10px; font-size:14px; color:var(--ink-300); }
.metric svg{ width:18px; height:18px; flex:0 0 auto; color:var(--brand); }
.metric strong{ color:var(--ink-100); font-weight:600; }

.hero-card{
  border-radius:var(--radius-card);
  border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.02));
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow-2);
  padding:24px;
}
.hero-card .card-kicker{ font-size:13px; color:var(--accent); font-weight:600; letter-spacing:.04em; }
.hero-card h2{ font-size:19px; margin-top:10px; }
.hero-card p{ margin-top:10px; font-size:14.5px; color:var(--ink-300); }
.hero-card ul{ margin-top:18px; display:grid; gap:10px; }
.hero-card li{ display:flex; gap:10px; align-items:flex-start; font-size:14px; color:var(--ink-300); }
.hero-card li svg{ width:16px; height:16px; margin-top:5px; flex:0 0 auto; color:var(--brand); }

/* ---------- 进度概览 ---------- */
.progress-block{
  background:var(--bg-800);
  border-bottom:1px solid var(--line);
}
.progress-head{ display:flex; flex-wrap:wrap; align-items:flex-end; gap:16px; justify-content:space-between; }
.progress-head .muted{ margin-top:8px; }

.seg-track{
  display:flex; gap:4px; margin-top:28px;
}
.seg{
  flex:1 1 0;
  height:8px;
  border-radius:4px;
  background:var(--line);
  transition:background-color 200ms var(--ease),box-shadow 200ms var(--ease);
}
.seg.is-done{ background:var(--brand); }
.seg.is-current{
  background:linear-gradient(90deg,var(--brand),var(--accent));
  box-shadow:0 0 0 1px rgba(242,163,60,.35),0 6px 18px -8px rgba(242,163,60,.7);
}
.seg-labels{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:12px;
  margin-top:14px;
}
.seg-labels li{
  font-size:13px; color:var(--ink-500);
  display:flex; align-items:center; gap:8px;
}
.seg-labels li::before{
  content:""; width:7px; height:7px; border-radius:50%;
  background:var(--line-strong); flex:0 0 auto;
}
.seg-labels li.is-done{ color:var(--ink-300); }
.seg-labels li.is-done::before{ background:var(--brand); }
.seg-labels li.is-current{ color:var(--accent); font-weight:600; }
.seg-labels li.is-current::before{ background:var(--accent); box-shadow:0 0 0 4px rgba(242,163,60,.16); }

.status-card{
  border-radius:var(--radius-card);
  border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
  padding:22px;
}
.status-row{
  display:flex; align-items:baseline; justify-content:space-between; gap:16px;
  padding:10px 0;
}
.status-row + .status-row{ border-top:1px solid var(--line); }
.status-row .k{ font-size:13.5px; color:var(--ink-500); }
.status-row .v{ font-size:18px; font-weight:700; color:var(--ink-100); font-variant-numeric:tabular-nums; }
.status-row .v.accent{ color:var(--accent); }
.status-row .v.brand{ color:var(--brand); }

/* ---------- FAQ ---------- */
.faq-section{ background:var(--bg-900); }
.section-head{ max-width:640px; margin-bottom:36px; }
.section-head h2{ margin-bottom:12px; }

.faq-accordion{
  background:transparent;
  border:0;
  margin:0;
  padding:0;
  list-style:none;
}
.faq-accordion .accordion-item{
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  background:linear-gradient(180deg,rgba(255,255,255,.045),rgba(255,255,255,.015));
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color 180ms var(--ease),background-color 180ms var(--ease),box-shadow 180ms var(--ease);
}
.faq-accordion .accordion-item:hover{ border-color:var(--line-strong); background:rgba(255,255,255,.055); }
.faq-accordion .accordion-item.is-active{
  border-color:rgba(23,179,168,.4);
  box-shadow:var(--shadow-1);
  border-left:3px solid var(--brand);
}
.faq-accordion .accordion-title{
  display:flex; align-items:flex-start; gap:14px;
  padding:20px 22px;
  border:0;
  background:transparent;
  color:var(--ink-100);
  font-size:16px;
}
.faq-accordion .accordion-title::before{ content:none; }
.faq-accordion .accordion-title::after{
  content:"";
  flex:0 0 auto;
  width:9px; height:9px;
  margin-left:auto; margin-top:8px;
  border-right:2px solid var(--ink-500);
  border-bottom:2px solid var(--ink-500);
  transform:rotate(45deg);
  transition:transform 200ms var(--ease),border-color 200ms var(--ease);
}
.faq-accordion .accordion-item.is-active .accordion-title::after{
  transform:rotate(-135deg); border-color:var(--brand); margin-top:12px;
}
.faq-accordion .accordion-title h3{
  font-size:16.5px; font-weight:600; line-height:1.6; color:inherit;
}
.faq-accordion .accordion-item.is-active .accordion-title h3{ color:var(--brand); }
.faq-accordion .accordion-title:hover{ background:rgba(255,255,255,.04); }
.faq-accordion .accordion-content{
  padding:0 22px 22px 22px;
  border:0;
  background:transparent;
  color:var(--ink-300);
}
.faq-accordion .accordion-content p{ font-size:15.5px; }
.faq-accordion .accordion-content p + p{ margin-top:12px; }
.faq-accordion .accordion-content ul{ margin-top:14px; display:grid; gap:8px; }
.faq-accordion .accordion-content li{
  position:relative; padding-left:18px; font-size:15px; color:var(--ink-300);
}
.faq-accordion .accordion-content li::before{
  content:""; position:absolute; left:0; top:12px;
  width:6px; height:6px; border-radius:50%; background:var(--brand);
}
.faq-meta{
  display:flex; flex-wrap:wrap; gap:10px; align-items:center;
  margin-top:16px;
}
.faq-num{
  flex:0 0 auto; width:26px; height:26px; border-radius:8px;
  display:inline-flex; align-items:center; justify-content:center;
  font-size:13px; font-weight:700; color:var(--accent);
  border:1px solid rgba(242,163,60,.35); background:rgba(242,163,60,.08);
  font-variant-numeric:tabular-nums; margin-top:2px;
}

/* ---------- 两列小卡 ---------- */
.mini-section{ background:var(--bg-800); border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
.mini-card{
  height:100%;
  border-radius:var(--radius-card);
  border:1px solid var(--line);
  background:var(--bg-700);
  padding:24px;
  transition:transform 180ms var(--ease),box-shadow 180ms var(--ease),border-color 180ms var(--ease);
}
.mini-card:hover{ transform:translateY(-4px); box-shadow:var(--shadow-2); border-color:var(--line-strong); }
.mini-icon{
  width:42px; height:42px; border-radius:12px;
  display:inline-flex; align-items:center; justify-content:center;
  background:rgba(23,179,168,.12); border:1px solid rgba(23,179,168,.3);
  color:var(--brand); margin-bottom:16px;
}
.mini-icon svg{ width:20px; height:20px; }
.mini-card h3{ font-size:18px; margin-bottom:10px; }
.mini-card p{ font-size:14.5px; color:var(--ink-300); }
.mini-card .mini-foot{ margin-top:16px; }

/* ---------- 引导卡 ---------- */
.guide-section{ background:var(--bg-900); }
.guide-card{
  display:flex; flex-wrap:wrap;
  border-radius:var(--radius-card);
  border:1px solid var(--line);
  background:var(--bg-800);
  overflow:hidden;
  height:100%;
  transition:transform 180ms var(--ease),border-color 180ms var(--ease),box-shadow 180ms var(--ease);
}
.guide-card:hover{ transform:translateY(-4px); border-color:var(--line-strong); box-shadow:var(--shadow-2); }
.guide-thumb{
  flex:1 1 200px; min-height:170px; overflow:hidden; border-radius:0;
}
.guide-thumb img{
  width:100%; height:100%; object-fit:cover; border-radius:0;
  transition:transform 300ms var(--ease);
}
.guide-card:hover .guide-thumb img{ transform:scale(1.04); }
.guide-body{ flex:1 1 240px; padding:24px; }
.guide-body h3{ margin:12px 0 10px; }
.guide-body p{ font-size:14.5px; color:var(--ink-300); }

/* ---------- CTA ---------- */
.cta-band{
  border-radius:var(--radius-card);
  border:1px solid var(--line);
  background:
    radial-gradient(70% 120% at 0% 50%, rgba(23,179,168,.16), transparent 60%),
    linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.02)),
    var(--bg-800);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  padding:32px;
  display:flex; flex-wrap:wrap; align-items:center; justify-content:space-between; gap:22px;
}
.cta-band h2{ font-size:24px; }
.cta-band p{ margin-top:8px; font-size:14.5px; color:var(--ink-300); max-width:56ch; }
.cta-actions{ display:flex; flex-wrap:wrap; gap:12px; }

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:64px;
  border-top:1px solid var(--line);
  background:var(--bg-800);
  position:relative;
}
.site-footer::before{
  content:""; position:absolute; top:-1px; left:0; right:0; height:1px;
  background:linear-gradient(90deg,transparent,rgba(23,179,168,.5),transparent);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:32px;
  padding:56px 0 40px;
}
.footer-brand{ display:flex; align-items:center; gap:10px; margin-bottom:14px; }
.footer-brand span{ font-size:16px; font-weight:700; color:var(--ink-100); }
.site-footer p{ font-size:13px; color:var(--ink-500); max-width:34ch; line-height:1.9; }
.footer-col h3{
  font-size:14px; color:var(--ink-100); font-weight:600;
  margin-bottom:16px; letter-spacing:.02em;
}
.footer-col li + li{ margin-top:10px; }
.footer-col a{
  position:relative; font-size:13px; color:var(--ink-500);
  padding-left:0; transition:color 180ms var(--ease),padding-left 180ms var(--ease);
}
.footer-col a::before{
  content:""; position:absolute; left:-10px; top:50%; transform:translateY(-50%);
  width:0; height:0; border-radius:50%; background:var(--brand);
  transition:width 180ms var(--ease),height 180ms var(--ease);
}
.footer-col a:hover{ color:var(--ink-100); padding-left:6px; }
.footer-col a:hover::before{ width:6px; height:6px; left:-6px; }

.footer-bottom{
  display:flex; flex-wrap:wrap; gap:10px 24px; align-items:center; justify-content:space-between;
  padding:20px 0 28px;
  border-top:1px solid var(--line);
  font-size:13px; color:var(--ink-500);
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  h1{ font-size:32px; }
  h2{ font-size:24px; }
  h3{ font-size:18px; }
  .footer-grid{ grid-template-columns:repeat(2,1fr); gap:32px; }
}
@media (max-width:899px){
  .hero-grid{ gap:28px; }
  .hero-copy,.hero-aside{ flex:1 1 100%; }
}
@media (max-width:767px){
  .seg-labels{ grid-template-columns:repeat(2,1fr); }
}
@media (max-width:639px){
  h1{ font-size:27px; }
  h2{ font-size:21px; }
  .hero-metrics{ gap:10px 20px; }
  .faq-accordion .accordion-title{ padding:16px; gap:10px; }
  .faq-accordion .accordion-title h3{ font-size:15.5px; }
  .faq-accordion .accordion-content{ padding:0 16px 18px; }
  .cta-band{ padding:22px; }
  .cta-actions .btn{ width:100%; }
  .footer-grid{ grid-template-columns:1fr; gap:28px; padding:40px 0 28px; }
}
@media (max-width:519px){
  .brand-text{ font-size:15px; }
  .seg-labels{ gap:8px; }
  .status-card{ padding:18px; }
}